PHP-Handbuch: Determine if GeoIP Database is available

bool geoip_db_avail ( int $database )

The geoip_db_avail function returns if the corresponding GeoIP Database is available and can be opened on disk.

It does not indicate if the file is a proper database, only if it is readable.

database: The database type as an integer. You can use the various constants defined with this extension (ie: GEOIP_*_EDITION).

Returns TRUE is database exists, FALSE if not found, or NULL on error.

Beispiel #1 A geoip_db_avail example

This will output the current database version string.


<?php

if (geoip_db_avail(GEOIP_COUNTRY_EDITION))
    print geoip_database_info(GEOIP_COUNTRY_EDITION);
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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